[1] Natl Hlth Lab Serv, Natl Canc Registry, Johannesburg, South Africa
[2] Univ Witwatersrand, Fac Hlth Sci, Sch Publ Hlth, Div Epidemiol & Biostat, Johannesburg, South Africa
[3] South African Med Res Council, Burden Dis Res Unit, Cape Town, South Africa
[4] Univ New South Wales, Ctr Primary Hlth Care & Equ, Sch Populat Hlth, Sydney, NSW, Australia
[5] Univ Sydney, Menzies Ctr Hlth Policy, Sch Publ Hlth, Sydney, NSW, Australia
[6] Univ Witwatersrand, Fac Hlth Sci, Sydney Brenner Inst Mol Biosci, Johannesburg, South Africa
[7] Univ Witwatersrand, Fac Hlth Sci, Sch Pathol, Div Human Genet, Johannesburg, South Africa
[8] Kings Coll London, Social Genet & Dev Psychiat Ctr, Inst Psychiat Psychol & Neurosci, London SE1 9RT, England
[9] Kings Coll London, Fac Life Sci & Med, Dept Med & Mol Genet, London SE1 9RT, England
[10] Stellenbosch Univ, South African DSI NRF Ctr Excellence Epidemiol Mo, Stellenbosch, South Africa
[11] German Canc Res Ctr, Div Infect & Canc Epidemiol, Heidelberg, Germany
[12] MRC UVRI & LSHTM Uganda Res Unit, Entebbe, Uganda
[13] Univ York, York, N Yorkshire, England